The Windows Phone 8.1 Update Emulators package adds additional emulator images to an existing installation of Visual Studio 2015 or Visual Studio 2013 Update 2 or later. With this update installed, you can create and test apps that will run on devices that have Windows Phone 8.1 Update.

The Windows Phone 8.1 Emulators package provides emulator images for use with Visual Studio 2013 Update 2 or later. With this package, you can create and test apps using an emulator for Windows Phone 8.1. These emulators are included with Visual Studio 2013 Update 2 or later.

January 2011 Update to the Windows Phone Developer Tools providing bug fixes, a new emulator, and utilities. This update is composed of two installation files and includes the contents of the deprecated October 2010 Update.